Morro Bay Weather in December

December in Morro Bay brings moderate temperatures, with highs of 18°C (64°F) and nights dropping to 6°C (43°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Morro Bay in December

The month brings the most rain, so be prepared with an umbrella for the occasional shower. Historically, December sees about 9 days of rain, with a monthly average of 76 mm (3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Morro Bay in December

December in Morro Bay sees highs of 18°C (64°F) and lows of 6°C (43°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. Though the coolest month of the year, the temperatures are far from cold. With still warm days.

Sunshine in Morro Bay in December

There are approximately 220 hours of sunshine this month, resulting in mostly clear days.

December in Morro Bay has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.